Shrink fit holder and methods of drilling and reaming
There is disclosed a unitary drill bit and chuck structure comprising: a drill bit (46); and a chuck (30) enclosing a portion of the drill bit (46) and having a thread (24) located thereon to permit attachment of said unitary drill bit and chuck structure to a drilling device; in which the ch...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | There is disclosed a unitary drill bit and chuck structure comprising: a drill bit (46); and a chuck (30) enclosing a portion of the drill bit (46) and having a thread (24) located thereon to permit attachment of said unitary drill bit and chuck structure to a drilling device;
in which the chuck (30) is heat shrunk onto the drill bit (46) thereby forming the unitary structure through direct bonding of the chuck (30) with the drill bit (46). |
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